Size Me Up
Size Me Up app icon

How tall will your child grow?

Plot your child's growth against official CDC and WHO charts, and get a prediction of where it might be headed. How tall will they grow? At what age will they outgrow their parents?

Free, forever No ads Your data never leaves your device
📱 Coming soon to the App Store

Made for fun and general information. Not a medical tool. See below.

What it does

Track growth the way pediatricians do

Log height, weight, and BMI, and see them plotted against the same official CDC and WHO growth reference charts doctors use.

See where it might be headed

Projects future measurements by following your child's current percentile trend, and estimates adult height using the well-known Khamis-Roche method.

Every kid in the family

Keep separate profiles for as many children as you want, each with its own growth history and charts.

100% private

No accounts, no login. Every measurement you enter stays only on your device. Nothing is ever uploaded anywhere.

Not a medical tool. Size Me Up is for informational and tracking purposes only. It is not a diagnostic tool, does not replace regular pediatrician visits, and any concerns about your child's growth should be discussed with your child's doctor.